HM Revenue and Customs
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100 days to go to Self Assessment deadline

Customers have just 100 days remaining to file their Self Assessment tax return for the 2022 to 2023 tax year.

Self Assessment customers have just 100 days left to submit their tax return ahead of the deadline on 31 January 2024, HM Revenue and Customs (HMRC) has said.

And with the clock ticking down, customers can find various types of help from webinars to step by step guides at the click of a mouse.

Anyone who needs support to complete their return for the 2022 to 2023 tax year can access the online help available on GOV.UK. It explains how to access HMRC’s services and ask for help, without having to call HMRC.

Completing a tax return sooner means that customers can find out what they owe and can work out how to pay between now and the deadline.

Myrtle Lloyd, HMRC’s Director General for Customer Services, said:

My advice for anyone completing their Self Assessment is to get prepared and, if they need extra support, to access HMRC’s free online help and resources. Search ‘Self Assessment’ on GOV.UK to find out more.

Customers can pay through the HMRC app. If customers cannot pay in full, HMRC wants to help them to find an affordable way for them to pay the tax they owe. If  customers owe less than £30,000, they may be able to set up a Time to Pay arrangement and do this online without speaking to HMRC. For a full list of ways to pay any tax owed, visit GOV.UK.

If anyone thinks they no longer need to complete a Self Assessment tax return for the 2022 to 2023 tax year, they should tell HMRC as soon as possible to avoid any penalties. HMRC has produced 2 videos explaining how customers can go online and stop Self Assessment if they are self-employed and those who are not self-employed.

How to go online and stop Self Assessment if you’re self-employed

How to go online and stop Self Assessment if you’re not self-employed

Customers need to be aware of the risk of falling victim to scams and should never share their HMRC login details with anyone, including a tax agent, if they have one. HMRC scams advice is available on GOV.UK.

Further information

More information about Self Assessment

The deadlines for tax returns for the 2022 to 2023 tax year are 31 October 2023 for paper returns and 31 January 2024 for online returns. The quickest and simplest way to file a tax return is online. Customers who chose to file by paper can find out how to request a paper return via GOV.UK. We no longer automatically issue paper returns unless there’s a reason a customer can’t file online.

Customers can use the HMRC app to find out how to register for Self Assessment, check their Unique Taxpayer Reference, get their National Insurance number and employment income and history and pay their tax bill.

HMRC wants to help customers get their tax right. There’s lots of information and support you can access online without ringing us: 

  • HMRC’s digital assistant – the assistant will help you find information, and if you can’t find what you’re looking for you can ask to speak to an adviser
  • guidance notes and help sheets and YouTube videos provide a wealth of information if you’re stuck
  • live webinars where you can ask questions or if you can’t join, you can watch recorded webinars on demand
  • technical support for HMRC online services
  • subscribe to HMRC email updates for the latest information on Self Assessment
  • follow HMRC Twitter @HMRCcustomers to get the latest social media updates on Self Assessment services and useful reminders
  • if you need extra support to help your with Self Assessment you can contact a voluntary or community sector organisation who can provide advice, or you can get support directly from HMRC


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